Tripterocladium

(Müller Hal.) A. Jaeger

Ber. Thätik. St. Gallischen Naturwiss. Ges. 1877 – 78: 484. 1880.

Howard A. Crum†

Endemic

Etymology: Greek trion, three, pteron, wing, and klados, branch, alluding to perceived tripinnate branching

Basionym: Hypnum sect. Tripterocladium Müller Hal.

Treatment appears in FNA Volume 28. Treatment on page 622. Mentioned on page 616, 646.

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Plants small. Stems irregularly 1 (or 2)-pinnate. Stem and branch leaves differentiated. Stem leaves oblong-ovate; margins entire or ± serrulate; costa double and short, or single and sometimes nearly to mid leaf; medial laminal cells 4–7:1. Branch leaves smaller; margins irregularly serrate distally; apex more broadly acuminate. Seta red, 1–1.5 cm. Capsule suberect to horizontal, ± curved; operculum conic; peristome perfect.

1 Distribution
2 Discussion
3 Selected References
4 Lower Taxa

Distribution

w North America.

Discussion

Species 1.

Tripterocladium is a genus of one species previously removed from Lembophyllaceae, but molecular data confirm its position in the family as closely related to Bestia.